题目内容：

The mother didn't know who to blame for the broken glass.为什么要用 to blame

优质解答

请看下面两道高考题:1. The mother didn't know______to blame for the broken glass as it happened while she was out. (NMET2002)A. who B. when C. how D. what(答案为A)2. I feel it is your hus...